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Head to head · Prices checked Nov 10, 2026

zFrontier Smurve80 vs Keychron K2 Ultra

Get the zFrontier Smurve80 for the 8,000 mAh battery. Get the Keychron K2 Ultra for the 8,000 Hz polling rate.

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Quick verdict

Which one should you get?

Get the

zFrontier Smurve80

Battery

Build quality in the bottom 45% of 80% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • No numpad.

Get the

Keychron K2 Ultra

polling rate

Build quality in the top 10% of 75% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

zFrontier Smurve80

Keychron K2 Ultra

  • Layout size

    80%

    75%

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Max polling rate

    1,000 Hz

    8,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Case material

    ABS

    ABS, Aluminum

  • Weight

    1,384 g

    1,084 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • zFrontier Smurve80
  • Keychron K2 Ultra
Performance
74
90
Build quality
60
86
Productivity
76
94
Customizability
59
92
Portability
85
82

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

zFrontier Smurve80 vs Keychron K2 Ultra specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

12 of 25 specs differ

zFrontier Smurve80

Keychron K2 Ultra

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

80%
75%

Layout standard

ANSI
ANSI, ISO, ISO-ES, ISO-FR, ISO-IT

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
ABS, Aluminum

Plate material

Aluminum
Steel

Keycaps

PBT
PBT

Weight

1,384 g
1,084 g

Dimensions

38 x 387 x 179 mm
31 x 312 x 122 mm

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2026

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

zFrontier Smurve80

No ISO layout at the stores we track.

Keychron K2 Ultra

  • Keychron (DE)

    ISO-FR, ISO-ES, ISO-IT

    In stockDoes not ship to you

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

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